bug #86 : use internal:: namespace instead of ei_ prefix

1 files changed, 2 insertions, 2 deletions

diff --git a/unsupported/Eigen/src/NumericalDiff/NumericalDiff.h b/unsupported/Eigen/src/NumericalDiff/NumericalDiff.h
index e840dd461..dbf27c481 100644
--- a/unsupported/Eigen/src/NumericalDiff/NumericalDiff.h
+++ b/unsupported/Eigen/src/NumericalDiff/NumericalDiff.h
@@ -80,7 +80,7 @@ public:
         Scalar h;
         int nfev=0;
         const typename InputType::Index n = _x.size();
-        const Scalar eps = ei_sqrt((std::max(epsfcn,NumTraits<Scalar>::epsilon() )));
+        const Scalar eps = internal::sqrt((std::max(epsfcn,NumTraits<Scalar>::epsilon() )));
         ValueType val1, val2;
         InputType x = _x;
         // TODO : we should do this only if the size is not already known
@@ -102,7 +102,7 @@ public:
 
         // Function Body
         for (int j = 0; j < n; ++j) {
-            h = eps * ei_abs(x[j]);
+            h = eps * internal::abs(x[j]);
             if (h == 0.) {
                 h = eps;
             }